In various Mexican cities, the art of rap is practiced by a large number of youths who are completely committed to it—they live for rap and they are nourished by it. Who are these Mexican rappers? What do they find in that culture that society at large cannot offer to them? How have they been transformed through the intense relation they establish with words, with their own tongues, and with language? And, finally, how does this help them to survive in a country which offers no alternatives?